Question

here is jsfiddle – red div will have given height in px. yellow will have a lot of content. I want yellow to be divided into columns (like newspaper) that has height of red div, has margin between them and if there is many of them I want them to make page scroll horizontally and red div has to have them inside itself, they cant overflow. (last one may be optional)

Answer 1

just remove height, it shows same height of red & yellow.
you can check on here:

#a{background:red;}
#b{width:200px; background:yellow;}
h1{font-size:40pt;}​